Home / Standards / GB/T12957-2005 GB/T12957-2005 Method for testing activity of industrial waste slag used as cement admixture 用于水泥混合村的工业废渣活性试验方法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A